“At machine speed, a ladder logic change should be rehearsed before an untested control makes it mandatory; govern it or inherit its consequences.”
At machine speed, a ladder logic change should be rehearsed before an untested control makes it mandatory; govern it or inherit its consequences. — Kai London (Professor Kai London), CISO. Principle 9261 of 10000 from the book “The Day the Control Room Went Silent” — cybersecurity, AI security and OT resilience doctrine. Official sites: professorkailondon.com · kailondon.co.uk